20540830

素因数分解:

$2^1\times 5^1\times {\mathrm{1283}}^1\times {\mathrm{1601}}^1$

素因数の和:2891

約数の個数: 16

約数和(自身を含む): 37025424

約数和(自身を除く): 16484594

約数列:

[1, 2, 5, 10, 1283, 1601, 2566, 3202, 6415, 8005, 12830, 16010, 2054083, 4108166, 10270415, 20540830]

約数ペア:

[(1, 20540830), (2, 10270415), (5, 4108166), (10, 2054083), (1283, 16010), (1601, 12830), (2566, 8005), (3202, 6415)]